Physical Acoustics V8

Contributors

Preface


1 Spin-Phonon Spectrometer

I. Introduction

II. Spin-Ρhonon Interaction

III. Optical Detection of the Spin Population

IV. Divalent Thulium

V. Detection of Monochromatic Acoustic Waves

VI. Phonon Generation by Spins

VII. Heaters as Broad-Band Phonon Sources

VIII. Phonon Interference in Thin Liquid Helium Films

Appendix. Derivation of Diffusion Equation

References


2 Landau Quantum Oscillations of the Velocity of Sound and the Strain Dependence of the Fermi Surface

I. Introduction

II. Theory of Landau Quantum Effects

III. Experimental Methods

IV. Experimental Results

V. Comparison with Existing Data

VI. Summary

References


3 High-Frequency Continuous Wave Ultrasonics

I. Introduction

II. Theory: Propagating Wave Model

III. CW Ultrasonic Resonator Assemblies and Probes

IV. CW Spectrometer Systems

V. Sampled-CW Technique and Spectrometers

VI. Acoustic Mössbauer Effect Spectrometer

VII. Applications

Appendix. Transmission-Line Equivalent Circuit of Composite Resonator

References


4 Ultrasonic Measurements at Very High Pressures

I. Introduction

II. Review of Ultrasonic Measurements at High Pressures

III. Ultrasonic Measurements in Piston and Die Systems

IV. Summary

References


5 Third-Order Elastic Constants and Thermal Equilibrium Properties of Solids

I. Introduction

II. Thermodynamics of Imperfect Crystals

III. Dislocations

IV. Point Defects

V. Phonons

References


6 Interaction of Sound Waves with Thermal Phonons in Dielectric Crystals

I. Introduction

II. Landau-Rumer Theory

III. Boltzmann Equation Method

IV. Comparison of Approaches

V. Attenuation and Velocity for Ωτ < 1

VI. Attenuation and Velocity for Ωτ > 1

VII. Miscellaneous Problems

Appendix

Symbols

References


7 Internal Friction at Low Frequencies Due to Dislocations: Applications to Metals and Rock Mechanics

I. Introduction

II. Measurement of Internal Friction for Three Rocks

III. Grain Boundary Internal Friction and Dislocation Parameters

IV. Derivation of the Low- and High-Frequency Components of Dislocation Attenuation

V. Application of Theory to Alloys and Impure Metals

VI. Application of Dislocation Theory to the Internal Friction in Moon and Earth Rocks

References

Author Index

Subject Index

Contents of Previous Volumes